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IDENTIFICATION OF SYSTEM COMPONENTS
PowerGuard Pro comprises a number of components. PowerGuard Pro is configured for 1 or 2
battery bank installations, at 12 or 24 Volt DC. A number of additional components (e.g.
Contactors, Switches) may also be used in the system.
PowerGuard Pro Control Unit (ECU):
Contains main CPU and battery monitoring circuitry.
Contactors:
External contactors are used for battery isolation of battery banks.
Contactor
Standard contactors are rated at 200A continuous for both 12 & 24V systems.
Control Switches:
Illuminated rocker switches can be provided for the switched inputs into the PowerGuard Pro
ECU. This can be used to control the manual battery isolation or reset of flat battery protection.
REF: QSF-030
Issue: D
PowerGuard Pro ECU
Attention: The Preview is based on a sample product;
this can differ from the actual configuration supplied
Control Switches
Merlin Equipment Ltd
PowerGuard Pro – User and Installation Guide
Page: 6 of 18
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